12)A 20 cm diameter and 20 turn circul ar coil is located in the yz-plane, and eachwire of the coil carries a current of 2,0 A in the clockwise directi on. An externalmagneti c field B = (0.55î +0.60f - 0.65k) passes through the coil. Find thecoil's magnetic moment i (in units of Am'), the torque 7 (in units of Nm) actingon the coil due to the external magnetic field, and the potential energy of the coilwithin the field (in units of Joule). Taken= 3.a) i = 1.2(-k); i = [0.721 – 0.66)]; U – -0.78%3Db) i = 1.2(-j); i0.78î + 0.66k ; U = 0.72c) i = 1.2(-1); 7 = |-0.78) – 0.72k]; U = 0.667-d) i = 1.2k; i = [-0.72î + 0.66j]; U = 0.78e) i = 1.2j; =|-0.78î – 0.66k]; U = –0.72

Given, Diameter d= 20 cm= 0.2m radius r= 0.1m turns N= 20 Current I = 2A

Answered: 12) A 20 cm di ameter and 20 turn…

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